| Variabile | Significato |
| %ALLUSERSPROFILE% | Local returns the location of the All Users Profile. |
| %APPDATA% | Local returns the location where applications store data by default. |
| %CD% | Local returns the current directory string. |
| %CMDCMDLINE% | Local returns the exact command line used to start the current cmd.exe. |
| %CMDEXTVERSION% | System returns the version number of the current Command Processor Extensions. |
| %COMPUTERNAME% | System returns the name of the computer. |
| %COMSPEC% | System returns the exact path to the command shell executable. |
| %DATE% | System returns the current date. This variable uses the same format as the date /t command. Cmd.exe generates this variable. For more information about the date command, see the Date command. |
| %ERRORLEVEL% | System returns the error code of the most recently used command. A non-0 value usually indicates an error. |
| %HOMEDRIVE% | System returns which local workstation drive letter is connected to the user's home directory. This variable is set based on the value of the home directory. |
| %HOMEPATH% | System returns the full path of the user's home directory. This variable is set based on the value of the home directory. |
| %HOMESHARE% | System returns the network path to the user's shared home directory. This variable is set based on the value of the home directory. |
| %LOGONSERVER% | Local returns the name of the domain controller that validated the current logon session. |
| %NUMBER_OF_PROCESSORS% | System specifies the number of processors installed on the computer. |
| %OS% | System returns the OS name. Windows XP and Windows 2000 display the OS as Windows_NT. |
| %PATH% | System specifies the search path for executable files. |
| %PATHEXT% | System returns a list of the file extensions that the OS considers to be executable. |
| %PROCESSOR_ARCHITECTURE% | System returns the processor's chip architecture. Values: x86, IA64. |
| %PROCESSOR_IDENTIFIER% | System returns a description of the processor. |
| %PROCESSOR_LEVEL% | System returns the model number of the computer's processor. |
| %PROCESSOR_REVISION% | System returns the revision number of the processor. |
| %PROGRAMFILES% | returns the location of the default install directory for applications. |
| %PROMPT% | Local returns the command-prompt settings for the current interpreter. Cmd.exe generates this variable. |
| %RANDOM% | System returns a random decimal number between 0 and 32767. Cmd.exe generates this variable. |
| %SYSTEMDRIVE% | System returns the drive containing the Windows root directory (i.e., the system root). |
| %SYSTEMROOT% | System returns the location of the Windows root directory. |
| %TEMP% | System and User return the default temporary directories for applications that are available to users who are currently logged on. Some applications require TEMP and others require TMP. |
| %TMP% | System and User return the default temporary directories for applications that are available to users who are currently logged on. Some applications require TEMP and others require TMP. |
| %TIME% | System returns the current time. This variable uses the same format as the time /t command. Cmd.exe generates this variable. For more information about the time command, see the Time command. |
| %USERDOMAIN% | Local returns the name of the domain that contains the user's account. |
| %USERNAME% | Local returns the name of the user currently logged on. |
| %USERPROFILE% | Local returns the location of the profile for the current user. |
| %WINDIR% | System returns the location of the OS directory |
